#banner {
  background-color: #1d1d1d;
}
#banner #mydiv {
  overflow: hidden;
  height: 416px;
  position: relative;
}
#banner #mydiv .canvas {
  width: 100% !important;
  height: 416px !important;
  z-index: 0 !important;
  position: absolute;
}
#banner #mydiv .case-conten {
  position: absolute;
  left: 600px;
}
#banner #mydiv .case-conten h1 {
  margin-top: 140px;
  font-weight: 500;
  text-align: center;
}
#banner #mydiv .case-conten h3 {
  text-align: center;
  line-height: 40px;
  font-weight: lighter;
  font-size: 12px;
}
#banner #mydiv .case-conten p {
  text-align: center;
  font-size: 14px;
}
body {
  background-color: #f8f8f8;
}
.floor {
  margin-top: 36px;
}
.floor h2 {
  line-height: 40px;
}
.floor h2:after {
  content: '';
  display: block;
  width: 14px;
  height: 2px;
  background-color: #00dbff;
}
.floor ul li {
  width: 354px;
  height: 340px;
  border: 1px solid #eee;
  padding: 10px;
  box-sizing: border-box;
  float: left;
  margin-right: 20px;
}
.floor ul li img {
  width: 100%;
}
.floor ul li h4 {
  margin: 20px 0 10px;
}
.floor ul li p {
  line-height: 18px;
  margin-bottom: 15px;
  text-align: justify ;
}
#returnTop {
  position: fixed;
  top: 510px;
  left: 50%;
  margin-left: 600px;
}
#returnTop li {
  line-height: 30px;
  cursor: pointer;
  user-select: none ;
}
#own li {
  margin-top: 20px;
  float: left;
  margin-right: 20px;
  background-color: #fff;
  width: 355px;
  height: 120px;
}
#own img {
  text-align: center;
  margin-left: 125px;
  margin-top: 40px;
}
